Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Content or effect of a constituent of a liquid mixture
Patent
1976-03-05
1978-09-19
Fisher, Richard V.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Content or effect of a constituent of a liquid mixture
73422TC, 137 92, 162258, 162263, 366101, G01N 1106, D21F 108
Patent
active
041144279
ABSTRACT:
An apparatus for accurately measuring the freeness of paper stock in a short time is disclosed.
The apparatus comprises a pump and plunger which take a sample of stock from a flowline or a place in which paper stock is prepared and places the sample in an agitation tank. A water supply dilutes the sample in the agitation tank to a predetermined consistency and a first pressurized air supply agitates the diluted sample so that fibrous material in the stock is evenly dispersed in the water. The agitation tank is closed to the atmosphere and a second pressurized air supply provides a pressure in the tank for draining the liquid from the sample through a screen. The liquid which passes through the screen is delivered to a measuring cylinder.
REFERENCES:
patent: 1838614 (1931-12-01), French et al.
patent: 1970521 (1934-08-01), Harvey
patent: 2826061 (1958-03-01), Furster et al.
patent: 3058672 (1962-10-01), Zabel
patent: 3115782 (1963-12-01), Echtler, Jr.
patent: 3659461 (1972-05-01), Thompson
patent: 3726143 (1973-04-01), Enarrson
patent: 3846231 (1974-11-01), Crosby et al.
Honma Chuichi
Hosokawa Kazutaka
Iguchi Yoshio
Itoh Takesi
Alvo Steve
Fisher Richard V.
Honshu Seishi Kabushiki Kaisha
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